<template>
    <div class="users">
      <!-- 面包屑导航区 -->
      <el-breadcrumb separator="|">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!-- 卡片视图区域 -->
      <el-card class="box-card">
        <el-row :gutter="20">
            <el-col :span="9">
                 <!-- 搜索与添加区域 -->
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>
<!-- 用户列表区域 -->
    <el-table :data="userList" border stripe>
         <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" >
            <template slot-scope="scope">
                <el-switch
                    v-model="scope.row.mg_state"
                    @change="userStateChange(scope.row)">
                </el-switch>
            </template>

        </el-table-column>
        <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
                <!-- 修改按钮 -->
                <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDiolog(scope.row.id)"></el-button>
                <!-- 删除按钮 -->
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                <!-- 分配角色按钮 -->
                <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable='false'>
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                </el-tooltip>
            </template>
        </el-table-column>
    </el-table>
    <!-- 分页区域 -->
     <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
      </el-card>
      <!-- 添加用户的对话框-->
    <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        width="50%"
        @close="addDialogClose"
        >
        <!-- 内容主题区 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password" type="password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form> 
        <!-- 底部区 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
        @close="editDiologClose"
       >
       <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
            <el-form-item label="用户名" >
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email" ></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
            title="分配角色"
            :visible.sync="setRoleDialogVisible"
            width="50%"
            @close="setRoleDialogClose"
           >
            <div>
                <p>当前的用户: {{userInfo.username}}</p>   
                <p>当前的角色: {{userInfo.role_name}}</p>
                <p>分配新角色: 
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option
                        v-for="item in rolesList"
                        :key="item.id"
                        :label="item.roleName"
                        :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
    </el-dialog>
    </div>
</template>
<script>
export default {
    name:'users',
    data(){
        // 验证邮箱的规则
        var checkEmail = (rules,value,cb) => {
            // 验证邮箱的正则表达式
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)){
                // 合法的邮箱
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        // 验证手机号
        var checkMobil = (rules,value,cb) => {
            // 验证手机号的正则表达式
            const regMobil = /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
            if(regMobil.test(value)){
                // 合法的邮箱
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }
        return{
            selectedRoleId:"",
            // 控制分配角色对话框的显示与隐藏
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
            userInfo:{},
            // 所有角色的数据列表
            rolesList:[],
// 获取用户列表的参数
queryInfo:{
    query:'',
    // 当前的页数
    pagenum:1,
    // 当前每页显示多少条数据
    pagesize:2
},
userList:[],
total:0,
// 控制添加对话框的显示与隐藏
addDialogVisible:false,
// 控制修改用户对话框的显示与隐藏
editDialogVisible:false,
// 查询到的用户信息对象
editForm:{},
// 修改表单的验证规则对象
editFormRules:{
    email:[
         { required: true, message: '请输入邮箱', trigger: 'blur' },
         {validator:checkEmail,trigger:"blur"}
    ],
    mobile:[
        { required: true, message: '请输入手机号', trigger: 'blur' },
         { validator:checkMobil , trigger: 'blur' }
    ]
},
// 添加用户的表单数据
addForm:{
    username:'',
     password:'',
     email:'',
     mobile:''
},
// 添加表单的验证规则对象
addFormRules:{
    username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
    password:[
        { required: true, message: '请输入密码', trigger: 'blur' },
        { min: 3, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
    ],
    email:[
        { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator:checkEmail , trigger: 'blur' }
    ],
    mobile:[
        { required: true, message: '请输入手机号', trigger: 'blur' },
         { validator:checkMobil , trigger: 'blur' }
    ]
}
        }
    },
    created(){
        this.getUserList();
    },
    methods:{
      async  getUserList(){
          const {data:res} = await this.$http.get("users",{params:this.queryInfo})
          console.log(res)
          if(res.meta.status!=200) {
              return this.$message.error("获取数据失败")
            }
        this.userList = res.data.users;
        this.total = res.data.total;
        console.log( this.userList)
        },
        // 监听pagesize改变的事件
        handleSizeChange(newSize){
            // console.log(newSize);
            this.queryInfo.pagesize=newSize;
             this.getUserList();

        },
        // 监听页码值改变的事件
        handleCurrentChange(newPage){
            // console.log(newPage);
             this.queryInfo.pagenum=newPage;
             this.getUserList();
        },
        // 监听switch开关的状态
    async userStateChange(userinfo){
        // console.log(userinfo);
       const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
    //    console.log(res);
       if(res.meta.status !==200){
           userinfo.mg_status=!userinfo.mg_status;
           return this.$message.error('更新用户状态失败')
       }
       this.$message.success("更新状态成功")
    },
    // 监听关闭对话框的关闭事件
    addDialogClose(){
        this.$refs.addFormRef.resetFields()
    },
    // 表单欲验证 点击按钮，添加新用户
    addUser(){
         this.$refs.addFormRef.validate( async valid=>{
            //  console.log(valid);
             if(!valid) return;
            //  可以发起添加用户的网络请求
  const {data:res} = await this.$http.post('users',this.addForm)
    // console.log(res);
    if(res.meta.status!==201){
        this.$message.error("添加用户失败")
    }
  this.$message.success("添加用户成功")
//   隐藏添加的对话框
  this.addDialogVisible=false;
//   重新获取用户数据
    this.getUserList();
         })
    },
    // 修改用户对话框
   async showEditDiolog(id){
       const {data:res} = await this.$http.get('users/'+id)
    //    console.log(res);
    if(res.meta.status!==200){
        return this.$message.error('查询用户信息失败！')
    }
    this.editForm=res.data
        this.editDialogVisible=true
// console.log(id);
    },
    // 监听修改用户对话框的关闭事件
    editDiologClose(){
        this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo(){
        // 表单欲验证
         this.$refs.editFormRef.validate(async valid=>{
            //  console.log(valid);
            if(!valid) return
            // 发起修改用户信息的数据请求
const {data:res} = await this.$http.put('users/'+this.editForm.id,{
    email:this.editForm.email,
    mobile:this.editForm.mobile
})
if(res.meta.status!==200){
    return this.$message.error('更新用户信息失败')
}
//关闭对话框
  this.editDialogVisible=false;
// 刷新数据列表
this.getUserList()
// 提示修改成功
this.$message.success('更新用户信息成功')
console.log(res);
         })
    },
    // 根据id删除对应的用户信息
  async  removeUserById(id){
        // console.log(id);
        // 弹框询问用户是否删除数据
      const res =  await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        // 如果用户确认删除，则返回值为字符串 confirm
         // 如果用户取消删除，则返回值为字符串 cancel
        console.log(res);
        if(res!=='confirm'){
            return this.$message.info('已取消删除')
        }
        // console.log('确认删除');
      const {data: result}  = await this.$http.delete('users/' + id)
    //   console.log(result);
    if(result.meta.status!==200){
        return this.$message.error("删除用户失败")
    }
    this.$message.success("删除用户成功")
    this.getUserList();
    },
    // 展示分配角色的对话框
   async setRole(userInfo){
        this.userInfo=userInfo;
        // 在展示对话框之前，获取所有的角色列表
const {data:res4} = await this.$http.get('roles');
if(res4.meta.status!==200){
    return this.$message.error('获取数据失败')
}
this.rolesList = res4.data;
        this. setRoleDialogVisible=true;
    },
    // 点击按钮分配角色
  async  saveRoleInfo(){
      if(!this.selectedRoleId){
           return this.$message.error('请选择要分配的角色')
      }
      const {data:res5} = await this.$http.put(`users/${this.userInfo.id}/role`,{
         rid: this.selectedRoleId
      })
      if(res5.meta.status!==200){
    return this.$message.error('更新角色失败')
    
}
this.$message.success('更新角色成功')
 this.getUserList();
  this. setRoleDialogVisible=false;
    },
    setRoleDialogClose(){
        this.selectedRoleId=''
        this.userInfo=[]
    }
    }
}
</script>
<style lang="less" scoped>
.text {
    font-size: 14px;
  }

  .item {
    padding: 18px 0;
  }
.el-table{
    margin-top:15px;
    font-size: 12px;
}
  
</style>